/Engine/Plugins/Runtime/ModelViewViewModel/Source/ModelViewViewModel/Public/MVVMViewModelBase.h
Add a delegate that will be notified when the FieldId is value changed.
virtual [FDelegateHandle](API\Runtime\Core\Delegates\FDelegateHandle) AddFieldValueChangedDelegate ( [UE::FieldNotification::FFieldId](API\Runtime\FieldNotification\FFieldId) InFieldId, [FFieldValueChangedDelegate](API\Runtime\FieldNotification\INotifyFieldValueChanged\FFieldValueChangedDelegate) InNewDelegate )